this post was submitted on 30 Jun 2023
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Explain Like I'm Five
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This is a good example, it's a hydrophone recording of a glass sphere imploding, the level of sound and echo should give you a good idea of the kind of forces we're dealing with:
https://www.youtube.com/watch?v=1_qlQhBa5V4
Wow. So those echoes are literally the sound waves propagating to the surface and reflecting back to the hydrophone on the bottom at 2.62km of depth, a round trip of 5.24km for each echo. That's also a really great example of how much faster sound propagates in water.